Hydrochloric Acid → 2-[5-(2,4-Diisobutoxybenzoyl)-2-isobutoxyphenyl]acetic acid
反応式
[CH2:1]([O:5][C:6]1[CH:29]=[C:28]([O:30][CH2:31][CH:32]([CH3:34])[CH3:33])[CH:27]=[CH:26][C:7]=1[C:8]([C:10]1[CH:11]=[CH:12][C:13]([O:21][CH2:22][CH:23]([CH3:25])[CH3:24])=[C:14]([CH2:16][C:17]([O:19]C)=[O:18])[CH:15]=1)=[O:9])[CH:2]([CH3:4])[CH3:3].[OH-].[Na+].C(Cl)(Cl)Cl.Cl>CO.O>[CH2:1]([O:5][C:6]1[CH:29]=[C:28]([O:30][CH2:31][CH:32]([CH3:34])[CH3:33])[CH:27]=[CH:26][C:7]=1[C:8]([C:10]1[CH:11]=[CH:12][C:13]([O:21][CH2:22][CH:23]([CH3:25])[CH3:24])=[C:14]([CH2:16][C:17]([OH:19])=[O:18])[CH:15]=1)=[O:9])[CH:2]([CH3:4])[CH3:3]参加物
実験手順
In 6 ml of methanol is dissolved 0.57 g of methyl 2-[5-(2,4-diisobutoxybenzoyl)-2-isobutoxyphenyl]acetate. After adding 0.72 ml of 5 mol/L solution of sodium hydroxide, the mixture thus obtained is stirred at ambient temperature for one hour and thereafter at 50-60° C. for one hour. Chloroform and water are added to the reaction mixture, pH is adjusted to 2.0 with 2 mol/L hydrochloric acid, and the organic layer is separated. The organic layer is successively washed with water and saturated aqueous solution of sodium chloride and dried over anhydrous magnesium sulfate, and the solvent is distilled off under reduced pressure. Thus, 0.45 g of 2-[5-(2,4-diisobutoxybenzoyl)-2-isobutoxyphenyl]acetic acid is obtained as a colorless crystalline product.
後処理
- customthe mixture thus obtained
- waitat 50-60° C. for one hour
- customthe organic layer is separated
- washThe organic layer is successively washed with water and saturated aqueous solution of sodium chloride
- dry with materialdried over anhydrous magnesium sulfate
- distillationthe solvent is distilled off under reduced pressure
出典と根拠
- ORDレコード
- ord-cc0c171abf6c43d98c9b623fd361b8b3
- 出典データセット
- uspto-grants-2008_01
- 特許番号
- US07314888B1
反応ノート
読み込み中…